<template>
  <div :class="{'hidden':hidden}" class="pagination-container">
    <el-pagination
      :background="background"
      :current-page.sync="currentPage"
      :page-size.sync="pageSize"
      :layout="layout"
      :page-sizes="pageSizes"
      :total="total"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
    />
  </div>
</template>

<script>
export default {
  name: 'Pagination',
  props: {
		total: {
			required: true,
			type: Number
		},
		page: {
			type: Number,
			default: 1
		},
		limit: {
			type: Number,
			default: 20
		},
		pageSizes: {
			type: Array,
			default() {
				return [10, 20, 50,100,200,1000]
			}
		},
		layout:{
			type:String,
			default:'total, sizes, prev, pager, next, jumper',
		},
		background:{
			type:Boolean,
			default:true,
		},
		hidden: {
			type: Boolean,
			default: false
		}
	},
	computed: {
		currentPage: {
			get() {
				return this.page
			},
			set(val) {
				this.$emit('update:page', val)
			}
		},
		pageSize: {
			get() {
				return this.limit
			},
			set(val) {
				this.$emit('update:limit', val)
				this.$emit('update:page',1)
			}
		}
	},
	methods: {
		handleSizeChange(val) {
		  this.$emit('pagination', { page: this.currentPage, limit: val })
		},
		handleCurrentChange(val) {
		  this.$emit('pagination', { page: val, limit: this.pageSize })
		}
	}
}
</script>

<style scoped>
.pagination-container {
  background: #fff;
  padding: 15px 0;
}
.el-pager li{min-width: 20px}
.pagination-container.hidden {
  display: none;
}
</style>
